Heater, Idle.

Tiny
NATHANHENNING
  • MEMBER
  • 1991 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 296 MILES
1991 Buick Park Avenue. Non Supercharged. I have two questions
1) My heater blows out of my defrost vents and only my defrosts vents. How do I fix this?
2) My car idle's really low and it shakes the car and the CEL comes on. Any guess's?
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Thursday, March 24th, 2011 AT 4:36 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,990 POSTS
Could be the air blend/mode/ door and actuator problem and HVAC control module-idle problem could be an IACV -You need to have the computer scanned for code/s for the check engine light On
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Thursday, March 24th, 2011 AT 6:41 AM

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